Improvement in grain-scourers and hullers



L. s.. cH n: HESTER.

lrhp'ro'v'gmen-t"in Grain Scbjurer and Hullrer..v

N0, 125,171l Patented A'pr! 2, 1.872.

UNITED Tatras PATENT CFFICE.

LEWIS S. OHIOHESTER, OF BROOKLYN, NEW' YORK, ASSIGNOR TO CHARLES F.OHIOHESTER, OF SAME PLACE.

IMPROVEMENT lN GRAIN-SCOURERS AND HULLERS.

Specification forming part of Letters Patent No. 125,171, dated April 2,1872.

To all 'whom t may concern:

Be it known that I, Lnwrs S. Cnrcnnsrnn, of Brooklyn, in the county ofKings and State of New York, have invented certain Improvements inScouring and HullingGrain, &c. 5 and the following is declared to be acorrect description thereof.

In an application for Letters Patent heretofore made by me, ameans forsconrin g and hulling grain is set forth, the same consisting of aseries of disks placed one above the other upon a revolving shaft, andeach disk opposite a stationary concave abrader or scourer. In thisapparatus the grain is thrown from the revolving disk, bythe centrifugalaction, against the surface of the concave or abrader, and travelsdiagonally and upward along such surface, and falls through an openingdown upon the next disk, to receive a similar scouring operation.

My present invention, as distinguished from previous devices, consistsin employing a scouring-wheel, formed of a series of concentric covesplaced below a series of concentric detlectors, said coves being placedeither one above the other, so as to force the grain to travel upwardfrom one cove to the next, or upon the same line, in which case thegrain passes oper the top o'r edge of the cove and drops into theadjoining one. To allow the grain to pass from one cove to the next, Imake use of a movable section or sections in the stationary deiiectors,said section being adjustable so as to allow the opening from one coveto the next to be adjusted as desired, and detain the grain, more orless, in its passage through the apparatus.

In the drawing, Figure l represents a vertical section of my saidapparatus, and Fig. 2 is a section of a modification.

The revolving scourer a is upon the vertical shaft b, and at the lowerpart said shaft is sustained by abox upon the frame c, and is revolvedby the belt and pulley d, or other convenient means. The scourer a, isformed of a series of concentric coves, 2 2, one above the other, asshownand the surfaces of such coves is more or less roughened byacoating of emery or other similar material, so as to scrape, polish, andscour the hulls or skins ofthe grain as the same is thrown again st saidsurface by the centrifugal action of the revolving scourer a. Above saidscourer is the stationary deiector h, and this is formed as a series ofconcentric coves, 3 3, over the coves 2 2, and said coves 3 3 deflectthe grain down upon the surface 2 2 as thrown upward by the centrifugalaction of the scourer. The grain is supplied by the hopper z' to thecentral portion of the scourer a, and travels upward and diagonally overthe surface of the cove 2, being deflected downward by the cove 3, andconsequently receives a gyratory motion, which exposes all sides of thegrain to the action of the abrading surface 2; and at 4 said grain isallowed to escape and pass to the next scouring-section, to undergo asimilar scouring operation, and so on from section to section, finallypassing away by the chute on to a suitable receptacle. The portion orsection h of the detlector h is hinged or otherwise supported at p, soas to allow the size of the openings 4 to be varied by adjusting-screws6, and thus detain the grain more or less in its passage through theapparatus, and subject it to the desired scouring-and-rubhing action.Two or more of these sections may be provided. Supported upon thedeflector-case 71J is the blower-casing l, and upon the shaft b is ablower, t. This blower draws the air, dust, and particles of husk fromthe scourer and passes them away by the trunk fv.

By thisapparatus the grain will be prepared in a very thorough mannerfor subsequent grinding by removing the soft and outer portions and endsot' the hulls; thereby suchportions will not remain to be mixed with theflour when ground.

I claim as my invention- 1. The revolving scourer a, formed withconcentric coves 2 and a roughened surface, in combination with thestationary deflectors 3, substantially as and for the purposes setforth.

2. The section h, made adjustable, to regulate the discharge ofthegrain, in combination with the revolving scourer a, having concentriccoves and a roughened surface, and the stationary deectors 3 3,substantially as set forth.

Signed by me this 17th day of November,

LEWIS S. CHICHESTER. Witnesses:

Gno. T. Pnvcmvnr, Guns. H. SMITH.

